16. CALOTES. 17. CHELOSANIA. 331 



measures nearly half the diameter of the orbit. Gular sac not de- 

 veloped ; gular scales strongly keeled, smaller than the ventrals. 

 A strong oblique fold or pit in front of the shoulder, and a trans- 

 verse gular fold. Nuchal crest composed of a few widely separated 

 slender spines, the longest of which measures about two thirds the 

 diameter of the orbit ; dorsal crest a mere dentioulation. Fifty-three 

 to sixty-one scales round the middle of the body ; dorsal scales of 

 nearly the same size as the ventrals, keeled, the uppermost with 

 the points directed straight backwards, the others directed down- 

 wards and backwards ; ventral scales strongly keeled. The ad- 

 pressed hind limb reaches the anterior border of the orbit, or the 

 tip of the snout ; fourth finger longer than third. Tail scarcely 

 compressed. Olive above, with more or less distinct angular dark- 

 brown cross bands on the body ; an angular black mark on each 

 side of the neck; a white spot below the orbit; dark lines radiating 

 from the eye. 



Total length 282 millim. 



Head 20 „ 



Width of head 12 „ 



Body 52 „ 



Fore limb 38 „ 



Hind limb 60 „ 



Tail 210 „ 



Southern India. 



a-d. S S . Anamallays, 6000 ft. Col. Beddome [C. 



e. S- Anamallays. Col. Beddome "C. 



f-h. Hgr. Top of Sivagiri Ghat. Col. Beddome C. 



i. (J . Tinnevelly. Col. Beddome "C. 



k-n. d' & hgr. Malabar. Col. Beddome [C] 



17. CHELOSANIA. 



Chelosania, Gray, Cat. Liz. p. 245. 



Tympanum distinct. Body compressed, covered with equal, very 

 small keeled scales ; a very feeble dorsal crest. No transverse 

 gular fold ; male with a gular sac. Tail compressed. No prseanal 

 or femoral pores. 



Australia. 



1. Chelosania brunnea. (Plate XXVII.) 

 Chelosania brunnea, Gray, Cat. p. 245. 



Head large, swollen at the cheeks, covered above with equal small 

 polygonal rough tubercles scarcely larger than the scales on the 

 body ; no canthus rostralis ; nostril equally distant from the eye 

 and the tip of the snout ; labials very small ; the diameter of the 

 tympanum equals two thirds that of the orbit. Scales on throat 

 and body very small, equal, feebly imbricate, those on the body 

 forming regular transverse series ; gular and dorsal scales with a 

 short keel or tubercle, ventrals strongly keeled along the whole 



